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Ticket #41: 0000041-apply_filters.html

File 0000041-apply_filters.html, 1.9 KB (added by Agent Orange, 10 years ago)
Line 
1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2
3<html>
4<head>
5        <title>link_pages()</title>
6</head>
7
8<body>
9<a name="original"><h3>apply_filters() original:</h3></a>
10<pre>function apply_filters($tag, $string) {
11        global $wp_filter;
12        if (isset($wp_filter['all'])) {
13                foreach ($wp_filter['all'] as $priority => $functions) {
14                        if (isset($wp_filter[$tag][$priority]))
15                                $wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], $wp_filter[$tag][$priority]);
16                        else
17                                $wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], array());
18                        $wp_filter[$tag][$priority] = array_unique($wp_filter[$tag][$priority]);
19                }
20
21        }
22       
23        if (isset($wp_filter[$tag])) {
24                ksort($wp_filter[$tag]);
25                foreach ($wp_filter[$tag] as $priority => $functions) {
26                        <span style="color: red;">foreach($functions as $function)</span> {
27                                        $string = $function($string);
28                        }
29                }
30        }
31        return $string;
32}</pre>
33
34<a name="fixed"><h3>apply_filters() fixed:</h3></a>
35<pre>function apply_filters($tag, $string) {
36        global $wp_filter;
37        if (isset($wp_filter['all'])) {
38                foreach ($wp_filter['all'] as $priority => $functions) {
39                        if (isset($wp_filter[$tag][$priority]))
40                                $wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], $wp_filter[$tag][$priority]);
41                        else
42                                $wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], array());
43                        $wp_filter[$tag][$priority] = array_unique($wp_filter[$tag][$priority]);
44                }
45
46        }
47       
48        if (isset($wp_filter[$tag])) {
49                ksort($wp_filter[$tag]);
50                foreach ($wp_filter[$tag] as $priority => $functions) {
51                        <span style="color: green; font-weight: bold;">if (!is_null($functions)) {</span>
52                                foreach($functions as $function) {
53                                        $string = $function($string);
54                                }
55                        <span style="color: green; font-weight: bold;">}</span>
56                }
57        }
58        return $string;
59} </pre>
60
61
62</body>
63</html>